Rewrite the equation of the circle in vertex form.
x2 + y2 - 2y - 15 - 0

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

Express -5 2/5 as an improper fraction.

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: